Audi A1 8X 1.2 TFSI CBZA Petrol Engine Alternator Generator 04C903023L

Audi A1 8X 1.2 TFSI CBZA Alternator is an original part from the Alternators and Generators group, designed for 1.2 TFSI CBZA petrol engines in the Audi A1 8X model. This used OEM part ensures a factory fit, stable charging of the electrical system, and predictable performance under the load typical for petrol engines.

Specifications and technical data

• SKU: 04C903023L
• Mark: Audi
• Condition: Used
• OEM Part Number: 04C903023L
• Substitutable numbers: 04C903023L, 04C 903 023 L
• Fuel type: Petrol
• Category: Alternators & Generators

Purpose and Compatibility

The presented alternator has been specifically designed for the 1.2 TFSI CBZA powertrain in the Audi A1 8X generation, powered by petrol. This ensures proper adaptation to the engine's operating characteristics, correct interaction with the vehicle's electronics, and adequate current output under typical urban and non-urban driving conditions.

Thanks to the use of original Audi technology, the alternator maintains compliance with factory charging parameters, which reduces the risk of voltage drops, starting problems, or interference with sensitive components such as control units, comfort systems, or lighting.

Technical Characteristics and Role in the Electrical System

The alternator in the 1.2 TFSI CBZA engine is responsible for continuously powering the electrical system and charging the battery while the engine is running. The OEM design ensures:

• stable output voltage across a wide range of engine speeds,
• adequate current reserve for additional consumers,
• compatibility with the vehicle's factory regulator and energy management system,
• performance parameters consistent with the vehicle manufacturer's requirements.

A charging system configured in this way translates to reliable operation of the electrical system, reduced load on the battery, and a lower risk of failures due to insufficient power supply.

Original Origin and Reference Numbers

The alternator comes from the Audi production line, meaning it meets factory quality and precision standards. The part is assigned an OEM part number and corresponding interchangeable numbers, allowing for unambiguous verification when selecting based on catalog number or service documentation.

Identification by SKU in our system and by manufacturer numbers facilitates matching the alternator to the specific configuration of the Audi A1 8X 1.2 TFSI CBZA, minimizing the risk of installing an incorrect part.

Condition, Application, and Benefits of Installation

The offered alternator is used, representing a reasonable compromise between cost and maintaining factory specifications. Choosing an original used unit helps maintain the consistency of the charging system with other components, without the need for aftermarket alternatives with uncertain characteristics.

By installing this alternator model in your Audi A1 8X 1.2 TFSI CBZA, you gain:

• factory fit for engine mounts and accessories,
• proper interaction with the drive belt and tensioner,
• maintenance of charging parameters intended for the 1.2 TFSI petrol engine,
• reduced risk of errors in electronic systems caused by incorrect voltage.

Audi Alternators and Generators – Charging System Expansion

If you are planning a comprehensive repair or engine area upgrade for your Audi and require other parts from the same group, such as additional generators, alternators with different capacities, or compatible mounting components, check the available parts in the Audi Alternators and Generators category.

To compare manufacturers' approaches to original used parts and selection procedures by catalog numbers, it is worth reading an article describing the service strategy of another premium brand – you can find it here: BMW – Sporty Performance and Precision. How Original Used Parts Extend the Life of the Bavarian Icon?.